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Superluminous Supernovae from the Dark Energy Survey
C. R. Angus, M. Smith, M. Sullivan +72
We present a sample of 21 hydrogen-free superluminous supernovae (SLSNe-I), and one hydrogen-rich SLSN (SLSN-II) detected during the five-year Dark Energy Survey (DES). These SNe,…
Angular momentum regulates HI gas content and HI central hole size in the discs of spirals
Chandrashekar Murugeshan, Virginia Kilborn, Danail Obreschkow +4
The neutral atomic hydrogen (HI) content of spiral galaxies has been observed to vary with environment, with more HI-deficient spirals residing in high density environments. This c…
First Cosmology Results Using Type Ia Supernovae From the Dark Energy Survey: Survey Overview and Supernova Spectroscopy
C. B. D'Andrea, M. Smith, M. Sullivan +108
We present spectroscopy from the first three seasons of the Dark Energy Survey Supernova Program (DES-SN). We describe the supernova spectroscopic program in full: strategy, observ…
Testing Feedback Regulated Star Formation in Gas Rich, Turbulent Disk Galaxies
Deanne B Fisher, Alberto D. Bolatto, Heidi White +3
In this paper we compare the molecular gas depletion times and mid-plane hydrostatic pressure in turbulent, star forming disk galaxies to internal properties of these galaxies. For…
Angular momentum evolution of bulge stars in disc galaxies in NIHAO
Liang Wang, Danail Obreschkow, Claudia del P. Lagos +6
We study the origin of bulge stars and their angular momentum (AM) evolution in 10 spiral galaxies with baryonic masses above M in the NIHAO galaxy formation simul…
Finding high-redshift strong lenses in DES using convolutional neural networks
C. Jacobs, T. Collett, K. Glazebrook +63
We search Dark Energy Survey (DES) Year 3 imaging data for galaxy-galaxy strong gravitational lenses using convolutional neural networks. We generate 250,000 simulated lenses at re…